from tkinter import*

print('Введите начальную координату X:')
X=int(input())
print('Введите начальную координату Y:')
Y=int(input())
print('Введите начальную координату N:')
N=int(input())

coords=[0,0,10,0,10,10,20,10,20,0,30,0,30,20,0,20,0,0]

if N==0 and X>=0 and X<=500 and Y>=0 and Y<=500:
    pass
else:
    if N>0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
         if N<0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
            pass
         else:
             print('Размер фигуры превышает максимальный размер поля')
             exit()

root=Tk()
root.title("ИТ марафон")
root.geometry("500x500")

canvas=Canvas(bg="white",width=500,height=500)
canvas.pack(anchor=CENTER,expand=1)

canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                                     coords[2] *N+X,coords[3] *N+Y,
                                     coords[4] *N+X,coords[5] *N+Y,
                                     coords[6] *N+X,coords[7] *N+Y,
                                     coords[8]*N+X,coords[9] *N+Y,
                                     coords[10] *N+X,coords[11] *N+Y,
                                     coords[12] *N+X,coords[13] *N+Y,
                                     coords[14] *N+X,coords[15] *N+Y,
                                     coords[16] *N+X,coords[17] *N+Y)
                      
root.mainloop()
